Seed 2.0 Pro
Summary
Seed 2.0 Pro is a proprietary language model from ByteDance Seed, released on 14 Feb 2026. It accepts text and images and generates text, with a 256K-token context window and up to 128K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.50 per million input tokens and $3 per million output tokens (DeepInfra), across 1 provider we track.
Flagship ByteDance Seed 2.0 model for complex multimodal reasoning and long-horizon agent workflows
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | ByteDance Seed |
|---|---|
| Release date | 14 Feb 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 256K (256,000 tokens) [models.dev] |
| Max output | 128K tokens [models.dev] |
| Input | Text and images [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
Seed 2.0 Pro API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| DeepInfra ByteDance/Seed-2.0-pro | $0.50 | $3 | $0.10 | 256K | models.dev, 4 Oct 2026 |
Frequently asked questions
What is the context window of Seed 2.0 Pro?
Seed 2.0 Pro has a context window of 256,000 tokens (256K) and can generate up to 128,000 tokens in a single response, according to models.dev.
How much does the Seed 2.0 Pro API cost?
Seed 2.0 Pro is listed from $0.50 per million input tokens and $3 per million output tokens (DeepInfra). Prices last verified 4 Oct 2026.
Is Seed 2.0 Pro open source?
No. Seed 2.0 Pro is a proprietary model; ByteDance Seed has not released its weights. It is available through APIs including DeepInfra.
When was Seed 2.0 Pro released?
ByteDance Seed released Seed 2.0 Pro on 14 Feb 2026, according to models.dev.
Change history
No changes detected since we started tracking this model. We re-check every source daily.